GEOL 1403 Beach Blinn Final Exam 2025
COMPLETE EXAM QUESTIONS AND VERIFIED
ANSWERS |RECENTLY TESTING REAL EXAM
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Terms in this set (313)
The depth below the surface where the circular orbits
wave base become so small that movement is negligible. It is
equal to one-half the wavelength
what happens when waves when waves feel bottom, their speed and wavelength
"feel bottom" decreases while their height and steepness increases
Perpendicular to shoreline (toward and away), swash
How does sand move on
and backwash, Which ever dominates determines
the beach?
whether sand is deposited or eroded from the berm
the bending of waves so that they move nearly
wave refraction
parallel to the shoreline
what causes wave changes in wave velocity due to rock density
refraction differences
What are typical features High cliffs, steep slopes, exposed bedrock
of an emergent coastline?
What are features typical Lagoons, bays, tidal flats
of a submergent
coastline?
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,5/17/25, 10:30 AM GEOL 1403 Beach Blinn Final Exam 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING R…
What do barrier islands The building of sediment in which wave and tidal
represent? action move parallel to the mainland coast
What is the cause for most As glaciers receded and melted, sea levels rose and
modern estuaries? inundated low-lying river valleys
What is the cause of The moon, as the moons gravity pulls the waves this
Earth's tides? creates high tide and low tide
subtidal zone area where the seabed is below the lowest tid
supertidal zone top of highest tide to the landward edge of coast
interridal zone the area of shoreline between low and high tides
fetch area in which ocean waves are generated by the wind
a shallow zone in a freshwater habitat where light
littoral zone
reaches the bottom and nurtures plants
How can you recognize Cross-bedding, ripple marks, and lack of fossils, iron
desert sediments and oxide
environments in the rock
record?
Describe the primary Sand dunes, Loess' and dust
wind-sourced deposits?
What are the typical dune -Crescentic, linear, star, dome, and parabolic
shapes? Why their
particular shape?
Desert and steppe lands 30%
cover about what
percentage of Earth's land
area?
transportation of sediment through a series of leaps
Saltation
or bounces
What will effectively limit Desert Pavement
further deflation in a given
area?
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, 5/17/25, 10:30 AM GEOL 1403 Beach Blinn Final Exam 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING R…
What determines the the direction in which the wind is blowing
angle of repose for dry
sand?
A dune migrates in the slip face
direction of inclination of
the________?
Usually glaciers will start where a river was cutting a
Why are glacial valleys u-
V-shaped valley, and the glaciers then erode the sides
shaped?
of the valley into a U-shaped valley.
a half-open steep-sided hollow at the head of a valley
Cirque or on a mountainside, formed by glacial erosion.
circular
a mass of rocks and sediment carried down and
Moraine deposited by a glacier, typically as ridges at its edges
or extremity.
a moraine deposited at the point of furthest advance
terminal moraine
of a glacier or ice sheet.
A moraine formed when two advancing valley glaciers
medial moraine come together to form a single ice stream, forms in
the middle of the glacier
lateral moraine moraine that forms along the side of a glacier
What is important about a Helps show how fast and where certain glaciers
terminal moraine? flowed
A plain formed of glacial sediment deposited by
What is an outwash plain?
meltwater outwash at the terminus of a glacier.
How/why does a outwash from the flow of meltwater in front of or beneath
plain form? glacier ice
What is glacial till? material deposited by a glacier & left behind.
What are fiords? steep, narrow, "drowned" glacial valleys
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